package com.itheima.demo01;

public class Test111 {
    public static void main(String[] args) {
        doSomething();
        int add = add(100);
        System.out.println(add);
    }

//    public abstract boolean isStupidName(String name) {}

   static void doSomething () {
         String s = "";
        int l = s.length();
       System.out.println(l);
    }

    public static int add(final int a){
        return a;
    }
}
